Of Gods and Men (2010)

French drama directed by Xavier Beauvois that tells the true story of the killing of seven monks during the Algerian civil war. The majority of the film takes place in the remote monastery, where nine brothers (two managed to elude their assassins) live in peace and solitude. I know it doesn't sound possible, but for a film about monks this is surprisingly gripping. There is a tense scene early in he film where the terrorists come knocking, armed to the teeth, and the monks turn them away simply by being stalwart and using their smarts. The acting is great, and the director really captures the monastic life. They became monks to escape the world and devote themselves to religion, but the world starts encroaching on their idyllic lives in the name of a different religion. One of the monks quotes Pascal at one point: "Men never do evil so completely and cheerfully as when they do it from a religious conviction."